package cn.tedu.ivos.user.service.impl;

import cn.tedu.ivos.base.exception.ServiceException;
import cn.tedu.ivos.base.response.StatusCode;
import cn.tedu.ivos.user.mapper.UserMapper;
import cn.tedu.ivos.user.pojo.dto.UserLoginParam;
import cn.tedu.ivos.user.pojo.dto.UserQuery;
import cn.tedu.ivos.user.pojo.dto.UserSaveParam;
import cn.tedu.ivos.user.pojo.entity.User;
import cn.tedu.ivos.user.pojo.vo.UserVO;
import cn.tedu.ivos.user.service.UserService;
import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.BeanUtils;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;
import org.springframework.web.bind.annotation.PathVariable;

import java.util.ArrayList;
import java.util.Date;
import java.util.List;


@Slf4j
@Service
public class UserServiceImpl implements UserService {
    @Autowired
    UserMapper userMapper;

    @Override
    public UserVO login(UserLoginParam userLoginParam) {
        log.debug("用户登录参数：{}",userLoginParam);
        UserVO userVO=userMapper.selectByUsername(userLoginParam.getUsername());
        /*
         *如果业务层遇到了问题,不能直接返回结果给前端,而是要抛出业务层异常,让全局异常处理器进行处理
         *注意:一旦抛出异常,前端拿到的结果是全局异常处理器返回的,不走controller!
         */
        if(userVO==null){
            throw new ServiceException(StatusCode.USERNAME_ERROR);
        }
        if(!userVO.getPassword().equals(userLoginParam.getPassword())){
            throw  new ServiceException(StatusCode.PASSWORD_ERROR);
        }
        //只有没有遇到上方的异常，才会执行下面的代码，将查出来的userVO返回给controller！
        log.debug("用户信息：{}",userVO);
        return userVO;
    }
    @Override
    public void saveUser(UserSaveParam userSaveParam) {
        log.debug("保存业务参数:{}",userSaveParam);
        User user=new User();
        BeanUtils.copyProperties(userSaveParam,user);
        if(user.getId()==null){
            user.setPassword("123456");
            user.setCreateTime(new Date());
            userMapper.insert(user);
        }else {
            user.setUpdateTime(new Date());
            userMapper.update(user);
        }
    }
    @Override
    public List<UserVO> selectUser(UserQuery userQuery) {
        log.debug("查询业务参数:{}",userQuery);
        List<UserVO> list=userMapper.selectUser(userQuery);
        return list;
    }
    @Override
    public void resetPassword(Long userId) {
        log.debug("重置密码参数：{}", userId);
        User user = new User();
        user.setId(userId);
        user.setPassword("root");
        user.setUpdateTime(new Date());
        userMapper.update(user);
    }
    @Override
    public void updateStatus( Long userId, String status){
        log.debug("修改用户状态参数：{},{}", userId, status);

        User user = new User();
        user.setId(userId);
        user.setStatus(status);
        user.setUpdateTime(new Date());
        userMapper.update(user);
    }
    @Override
    public void delete(Long userId){
        log.debug("删除用户参数：{}", userId);
        userMapper.delete(userId);
    }

    @Override
    public List<UserVO> selectAudit(Long parentId) {
        log.debug("查询审批人列表业务参数：{}", parentId);
        //1.准备一个空集合,用来保存多个审批人
        ArrayList<UserVO> userVOList=new ArrayList<>();
        //2.先根据传过来的parentId把直属领导查出来
        UserVO auditUser1=userMapper.selectById(parentId);
        userVOList.add(auditUser1);
        log.debug("-----------"+auditUser1);
        //3.如果有直属领导且直属领导还有领导,就把上上级查出来
        if(auditUser1!=null && auditUser1.getParentId()!=null){
            //4.根据直属上级的领导id把上上级也查出来,装入集合中
            UserVO auditUser2=userMapper.selectById(auditUser1.getParentId());
            userVOList.add(auditUser2);
        }
        //5.将准备好的审批入列表返回给controller
        return userVOList;
    }
}
